holden.wiki

• MODEL SELECTION INDEX
• UES FRONTERA
• SECTION 5A - BRAKE CONTROL SYSTEM
  • SERVICE PRECAUTION
  • GENERAL DESCRIPTION
    • FUNCTION DESCRIPTION
    • SYSTEM COMPONENTS
    • ELECTRONIC HYDRAULIC CONTROL UNIT (EHCU)
    • ABS WARNING LIGHT
    • WHEEL SPEED SENSOR
    • G-SENSOR
    • NORMAL AND ANTI-LOCK BRAKING
    • BRAKE PEDAL TRAVEL
    • ACRONYMS AND ABBREVIATIONS
  • GENERAL DIAGNOSIS
    • GENERAL INFORMATION
    • ABS SERVICE PRECAUTIONS
    • COMPUTER SYSTEM SERVICE PRECAUTIONS
    • GENERAL SERVICE PRECAUTIONS
    • NOTE ON INTERMITTENTS
    • TEST DRIVING ABS COMPLAINT VEHICLES
    • "ABS" WARNING LIGHT
    • NORMAL OPERATION
    • TECH 2 SCAN TOOL
    • DATA LIST
    • ACTUATOR TEST
    • TECH 2 SERVICE BLEED
    • BASIC DIAGNOSTIC FLOW CHART
    • BASIC INSPECTION PROCEDURE
  • EHCU CONNECTOR PIN-OUTS CHECKS
    • CIRCUIT DIAGRAM
    • CONNECTOR LIST
    • PART LOCATION
  • SYMPTOM DIAGNOSIS
    • CHART A-1 ABS WORKS FREQUENTLY BUT VEHICLE DOES NOT DECELERATE
    • CHART TA-1 ABS WORKS FREQUENTLY BUT VEHICLE DOES NOT DECELERATE (USE TECH 2)
    • CHART A-2 UNEVEN BRAKING OCCURS WHILE ABS WORKS
    • CHART TA-2 UNEVEN BRAKING OCCURS WHILE ABS WORKS (USE TECH 2)
    • CHART A-3, TA-3 THE WHEELS ARE LOCKED
    • CHART A-4 BRAKE PEDAL FEED IS ABNORMAL
    • CHART A-5, TA-5 BRAKING SOUND (FROM EHCU) IS HEARD WHILE NOT BRAKING
  • DIAGNOSIS BY "ABS" WARNING LIGHT ILLUMINATION PATTERN
    • DIAGNOSTIC TROUBLE CODES (DTCS)
    • CHART B-1 WITH THE KEY IN THE ON POSITION (BEFORE STARTING THE ENGINE). WARNING LIGHT (W/L) IS NOT ACTIVATED.
    • CHART B-2 CPU ERROR (DTC 14 (FLASHED OUT) / C0271, C0272, C0273, C0284 (SERIAL COMMUNICATIONS))
    • CHART B-3 LOW OR HIGH IGNITION VOLTAGE (DTC 15 (FLASH OUT) / C0277, 0278 (SERIAL COMMUNICATIONS))
    • CHART B-4 EXCESSIVE DUMP TIME (DTC 17 (FLASH OUT) / C0269 (SERIAL COMMUNICATIONS))
    • CHART B-5 EXCESSIVE ISOLATION TIME (DTC 18 (FLASH OUT) / C0274 (SERIAL COMMUNICATIONS))
    • CHART B-6 G-SENSOR OUTPUT FAILURE (DTC 21 (FLASH OUT) / C0276 (SERIAL COMMUNICATIONS))
    • CHART B-7 BRAKE SWITCH FAILURE (DTC 22 (FLASH OUT) / C0281 (SERIAL COMMUNICATIONS))
    • CHART B-8 2WD CONTROLLER IN 4WD VEHICLE CONTROLLER (DTC 13 (FLASH OUT) / C0285 (SERIAL COMMUNICATIONS)), 4WD STATE INPUT SIGN
    • CHART B-9 PUMP MOTOR FAILURE (DTC 32 (FLASH OUT) / C0267, C0268 (SERIAL COMMUNICATIONS))
    • CHART B-10 EHCU VALVE RELAY FAILURE (DTC 32 (FLASH OUT) / C0265, C0266 (SERIAL COMMUNICATIONS))
    • CHART B-11 FL ISOLATION SOLENOID COIL FAILURE (DTC 41(FLASH OUT) / C0245, C0247 (SERIAL COMMUNICATIONS))
    • CHART B-12 FL DUMP SOLENOID COIL FAILURE (DTC 42 (FLASH OUT) / C0246, C0248 (SERIAL COMMUNICATIONS))
    • CHART B-13 FR ISOLATION SOLENOID COIL FAILURE (DTC 43 (FLASH OUT) / C0241, C0243 (SERIAL COMMUNICATIONS))
    • CHART B-14 FR DUMP SOLENOID COIL FAILURE (DTC 44 (FLASH OUT) / C0242, C0244 (SERIAL COMMUNICATIONS))
    • CHART B-15 REAR ISOLATION SOLENOID COIL FAILURE (DTC 45 (FLASH OUT) / C0251, C0253 (SERIAL COMMUNICATIONS))
    • CHART B-16 REAR DUMP SOLENOID COIL FAILURE (DTC 46 (FLASH OUT) / C0252, C0254 (SERIAL COMMUNICATIONS))
    • CHART B-17 FL SPEED SENSOR OPEN OR SHORTED (DTC 51 (FLASH OUT) / C0225 (SERIAL COMMUNICATIONS))
    • CHART B-18 FR SPEED SENSOR OPEN OR SHORTED (DTC 52 (FLASH OUT) / C0221 (SERIAL COMMUNICATIONS))
    • CHART B-19 REAR SPEED SENSOR OPEN OR SHORTED (DTC 53 (FLASH OUT) / C0235 (SERIAL COMMUNICATIONS))
    • CHART B-20 FL SPEED SENSOR MISSING (DTC 61 (FLASH OUT) / C0226, C0227 (SERIAL COMMUNICATIONS))
    • CHART B-21 FR SPEED SENSOR MISSING (DTC 62 (FLASH OUT) / C0222, C0223 (SERIAL COMMUNICATIONS))
    • CHART B-22 REAR SPEED SENSOR MISSING (DTC 63 (FLASH OUT) / C0236, C0237 (SERIAL COMMUNICATIONS))
    • CHART B-23 SIMULTANEOUS DROP-OUT OF FRONT SPEED SENSOR SIGNAL (DTC 64 (FLASH OUT) / C0229 (SERIAL COMMUNICATIONS))
    • CHART B-24 WHEEL SPEED INPUT ABNORMALITY (DTC 65 (FLASH OUT) / C0238 (SERIAL COMMUNICATIONS))
    • CHART C-1-1 FL SENSOR OUTPUT INSPECTION PROCEDURE
    • CHART C-1-2 FR SENSOR OUTPUT INSPECTION PROCEDURE
    • CHART C-1-3 REAR SENSOR OUTPUT INSPECTION PROCEDURE
    • CHART TC-1 SENSOR OUTPUT INSPECTION PROCEDURE